(19)

(11)

EP 3 965 720 A1

(12)

(43) Date of publication: 16.03.2022 Bulletin 2022/11 (21) Application number: 20801594.1 (22) Date of filing: 04.05.2020

(51) International Patent Classification (IPC):  A61K 8/31(2006.01) A61K 8/02(2006.01) C07C 9/14(2006.01) A61K 8/90(2006.01) A61K 8/81(2006.01) C07C 9/22(2006.01) (52) Cooperative Patent Classification (CPC): A61K 8/31; A61K 8/042; A61K 8/8117; A61K 8/37; A61K 2800/522; A61K 2800/34; A61Q 19/00; A61Q 5/00 (86) International application number: PCT/US2020/031296 (87) International publication number: WO 2020/227200 (12.11.2020 Gazette 2020/46)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 06.05.2019 US 201962843696 P (71) Applicant: Calumet Specialty Products Partners, L.P. Indianapolis, Indiana 46214 (US)	(72) Inventors: QUEEN, Craig Belmont, North Carolina 28012 (US) VIERTEL, Angela Parker, Pennsylvania 16049 (US) VOELKER, Mark A. Butler, Pennsylvania 16001 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)